Initially expected to be released in China before the end of the year, the Nokia Lumia 920T will only start shipping in January 2013.

China Mobile, which is the exclusive carrier for the 920T, is already taking pre-orders for the smartphone (which costs 4599 yuan – around $737). But if you look at the bottom of the pre-order page (here), you’ll see a note that reads: “The product will gradually arrive after January 1, 2013.”

As previously reported, the Lumia 920T is just a Lumia 920 with TD-SCDMA connectivity and better graphics. So it has the same 4.5 inch PureMotion HD+ display, and the same 8.7MP PureView rear camera that you can find on the regular 920 (which, by the way, will be also sold in China – unlocked).

Meanwhile, an unannounced Nokia Windows Phone 8 handset has been spotted in China: the Lumia 825, pictured below. As its name suggest, this is a slightly different version of the Lumia 820.

According to Dospy (via WM PowerUser), the Lumia 825 comes with a 4.3 inch WVGA PureMotion display, and 16GB of internal memory – instead of the 4.3 inch WVGA ClearBlack display, and 8GB of internal memory of the Lumia 820). The 825 should become available in China starting February next year. We’ll bring more details as soon as we get them.